Pertest
percolation test(ing) 渗透试验
🗣️ 情景例句
Let's dance.
咱们跳舞。
We can't write very well.
我们不能写那么多。
It's nothing serious. I think you've been very fortunate. Have you ever used the hot-cloth-and-frozen-peas treatment?
不要紧。我认为你非常幸运了。你用过热布---冻豌豆疗法吗？